* {
    margin: 0;
    padding: 0;
}

/* 设置页面字体 */
body{
    font: 12px Helvetica Neue,Helvetica,Arial,Microsoft Yahei,Hiragino Sans GB,Heiti SC,WenQuanYi Micro Hei,sans-serif;
    min-width: 1200px;
    width: 100%;
    overflow-x: hidden;
    background: #f6f6f6;
}

.w{
    width: 1200px;
    margin: 0 auto;
}

/* 清除浮动效果 */
.clerafix::before,
.clerafix::after{
    content: '';
    display: table;
    clear: both;
}

a{
    text-decoration: none;
    color: #333;
}

li {
    list-style: none;
}